Home / 19,026.72-26,256.42-10,644.84

Finding the Fourth Proportional to 19,026.72, 26,256.42 and 10,644.84

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Solution

The fourth proportional to 19,026.72, 26,256.42 and 10,644.84 is: 14,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.72 : 26,256.42 = 10,644.84 : x
  2. Step 2: Convert to fraction form
    19,026.72/26,256.42 = 10,644.84/x
  3. Step 3: Cross multiply
    19,026.72x = 26,256.42 × 10,644.84
  4. Step 4: Simplify right side
    19,026.72x = 279,495,389.87
  5. Step 5: Solve for x
    x = 279,495,389.87/19,026.72
  6. Step 6: Final answer
    x = 14,689.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.